Healthcare provider profile · identity verified

Edward E. Kamens, M.D.

Internal Medicine · LEOMINSTER, MA · NPI 1538272539

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

Brand	Generic	Claims	Beneficiaries
Eliquis	Apixaban	699	49
Trazodone Hcl	Trazodone Hcl	692	96
Atorvastatin Calcium	Atorvastatin Calcium	500	79
Gabapentin	Gabapentin	498	55
Sertraline Hcl	Sertraline Hcl	493	67
Furosemide	Furosemide	471	63
Levothyroxine Sodium	Levothyroxine Sodium	427	63
Amlodipine Besylate	Amlodipine Besylate	358	69
Metoprolol Tartrate	Metoprolol Tartrate	339	51
Mirtazapine	Mirtazapine	302	46
Lisinopril	Lisinopril	279	56
Pantoprazole Sodium	Pantoprazole Sodium	246	38
Donepezil Hcl	Donepezil Hcl	245	32
Losartan Potassium	Losartan Potassium	244	33
Warfarin Sodium	Warfarin Sodium	230	suppressed
Xarelto	Rivaroxaban	219	suppressed
Memantine Hcl	Memantine Hcl	211	30
Citalopram Hbr	Citalopram Hydrobromide	208	30
Quetiapine Fumarate	Quetiapine Fumarate	182	21
Lorazepam	Lorazepam	178	40
Metformin Hcl	Metformin Hcl	171	31
Metoprolol Succinate	Metoprolol Succinate	169	29
Duloxetine Hcl	Duloxetine Hcl	163	17
Potassium Chloride	Potassium Chloride	153	29
Morphine Sulfate	Morphine Sulfate	148	44
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	143	19
Levetiracetam	Levetiracetam	129	18
Omeprazole	Omeprazole	128	34
Tamsulosin Hcl	Tamsulosin Hcl	120	24
Tramadol Hcl	Tramadol Hcl	118	26
Clopidogrel	Clopidogrel Bisulfate	110	17
Risperidone	Risperidone	107	suppressed
Buspirone Hcl	Buspirone Hcl	97	19
Fluoxetine Hcl	Fluoxetine Hcl	97	13
Escitalopram Oxalate	Escitalopram Oxalate	89	15
Simvastatin	Simvastatin	89	17
Divalproex Sodium	Divalproex Sodium	82	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	81	11
Baclofen	Baclofen	79	11
Hydrochlorothiazide	Hydrochlorothiazide	79	22
Ondansetron Hcl	Ondansetron Hcl	79	30
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	78	suppressed
Prednisone	Prednisone	78	21
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	74	34
Nystatin	Nystatin	72	28
Insulin Lispro Kwikpen U-100	Insulin Lispro	70	14
Carvedilol	Carvedilol	69	suppressed
Allopurinol	Allopurinol	67	15
Famotidine	Famotidine	66	11
Rosuvastatin Calcium	Rosuvastatin Calcium	64	17
Arformoterol Tartrate	Arformoterol Tartrate	63	suppressed
Montelukast Sodium	Montelukast Sodium	63	suppressed
Oxycodone Hcl	Oxycodone Hcl	61	17
Triamcinolone Acetonide	Triamcinolone Acetonide	61	16
Latanoprost	Latanoprost	60	12
Lactulose	Lactulose	59	14
Humalog Kwikpen U-100	Insulin Lispro	58	suppressed
Januvia	Sitagliptin Phosphate	58	suppressed
Hydralazine Hcl	Hydralazine Hcl	57	11
Aripiprazole	Aripiprazole	55	suppressed
Budesonide	Budesonide	55	suppressed
Olanzapine	Olanzapine	54	11
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	51	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	49	22
Alendronate Sodium	Alendronate Sodium	48	suppressed
Midodrine Hcl	Midodrine Hcl	48	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	46	19
Cefpodoxime Proxetil	Cefpodoxime Proxetil	44	30
Albuterol Sulfate	Albuterol Sulfate	43	19
Amiodarone Hcl	Amiodarone Hcl	42	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	42	18
Erythromycin	Erythromycin Base	42	15
Labetalol Hcl	Labetalol Hcl	42	suppressed
Pravastatin Sodium	Pravastatin Sodium	40	suppressed
Spironolactone	Spironolactone	40	suppressed
Myrbetriq	Mirabegron	39	suppressed
Finasteride	Finasteride	37	suppressed
Haloperidol	Haloperidol	37	suppressed
Sucralfate	Sucralfate	37	suppressed
Incruse Ellipta	Umeclidinium Bromide	36	suppressed
Lacosamide	Lacosamide	36	suppressed
Celecoxib	Celecoxib	35	suppressed
Fluticasone Propionate	Fluticasone Propionate	35	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	34	suppressed
Bumetanide	Bumetanide	33	suppressed
Tizanidine Hcl	Tizanidine Hcl	33	suppressed
Amantadine	Amantadine Hcl	32	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	12
Entresto	Sacubitril/Valsartan	31	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	31	suppressed
Atenolol	Atenolol	30	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	30	suppressed
Cephalexin	Cephalexin	29	17
Hydroxyurea	Hydroxyurea	29	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	29	20
Paxlovid	Nirmatrelvir/Ritonavir	29	29
Clonidine Hcl	Clonidine Hcl	28	suppressed
Glipizide Er	Glipizide	28	suppressed
Paroxetine Hcl	Paroxetine Hcl	28	suppressed
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Timolol Maleate	Timolol Maleate	28	suppressed
Tradjenta	Linagliptin	28	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	26	suppressed
Bupropion Xl	Bupropion Hcl	26	suppressed
Digoxin	Digoxin	25	suppressed
Permethrin	Permethrin	25	23
Oxybutynin Chloride	Oxybutynin Chloride	24	suppressed
Rexulti	Brexpiprazole	24	suppressed
Meclizine Hcl	Meclizine Hcl	23	suppressed
Valsartan	Valsartan	23	suppressed
Bupropion Hcl	Bupropion Hcl	22	suppressed
Ranolazine Er	Ranolazine	22	suppressed
Linzess	Linaclotide	21	suppressed
Matzim La	Diltiazem Hcl	21	suppressed
Primidone	Primidone	21	suppressed
Scopolamine	Scopolamine	21	suppressed
Valacyclovir	Valacyclovir Hcl	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	20	14
Travoprost	Travoprost	20	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	20	suppressed
Verapamil Er	Verapamil Hcl	20	suppressed
Clonazepam	Clonazepam	19	suppressed
Clozapine	Clozapine	19	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	19	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	19	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	18	suppressed
Formoterol Fumarate	Formoterol Fumarate	18	suppressed
Lamotrigine	Lamotrigine	18	suppressed
Memantine Hcl Er	Memantine Hcl	18	suppressed
Rocklatan	Netarsudil Mesylat/Latanoprost	18	suppressed
Torsemide	Torsemide	18	suppressed
Anastrozole	Anastrozole	17	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	17	suppressed
Insulin Aspart Flexpen	Insulin Aspart	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Fluconazole	Fluconazole	16	suppressed
Glipizide	Glipizide	15	suppressed
Mounjaro	Tirzepatide	15	suppressed
Prednisolone Acetate	Prednisolone Acetate	15	suppressed
Rivastigmine	Rivastigmine Tartrate	15	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	14	suppressed
Brilinta	Ticagrelor	14	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	14	suppressed
Colestipol Hcl	Colestipol Hcl	14	suppressed
Droxidopa	Droxidopa	14	suppressed
Folic Acid	Folic Acid	14	suppressed
Humalog	Insulin Lispro	14	suppressed
Jardiance	Empagliflozin	14	suppressed
Roflumilast	Roflumilast	14	suppressed
Vancomycin Hcl	Vancomycin Hcl	14	suppressed
Abiraterone Acetate	Abiraterone Acetate	13	suppressed
Cilostazol	Cilostazol	13	suppressed
Diltiazem Hcl	Diltiazem Hcl	13	suppressed
Ezetimibe	Ezetimibe	13	suppressed
Fenofibrate	Fenofibrate	13	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	13	suppressed
Glimepiride	Glimepiride	13	suppressed
Lagevrio (Eua)	Molnupiravir	13	13
Pyridostigmine Bromide	Pyridostigmine Bromide	13	suppressed
Topiramate	Topiramate	13	suppressed
Alphagan P	Brimonidine Tartrate	12	suppressed
Carbamazepine	Carbamazepine	12	suppressed
Creon	Lipase/Protease/Amylase	12	suppressed
Entacapone	Entacapone	12	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Paxlovid (Eua)	Nirmatrelvir/Ritonavir	12	12
Santyl	Collagenase Clostridium Hist.	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Xifaxan	Rifaximin	12	suppressed
Alprazolam	Alprazolam	11	suppressed
Atropine Sulfate	Atropine Sulfate	11	suppressed
Azithromycin	Azithromycin	11	suppressed
Carbamazepine Er	Carbamazepine	11	suppressed
Colesevelam Hcl	Colesevelam Hcl	11	suppressed
Enulose	Lactulose	11	suppressed
Flecainide Acetate	Flecainide Acetate	11	suppressed
Letrozole	Letrozole	11	suppressed
Methotrexate	Methotrexate Sodium	11	suppressed
Sotalol	Sotalol Hcl	11	suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
CMS Open Payments — General Payments	2025	2026-06-30	Original source
Medicare Part D Prescribers by Provider and Drug	2024	2026-05-06	Original source
NPPES Data Dissemination V2	current / reference data	2026-08-10	Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error